Versatile applications: The scanner is suitable for elevator access, community visitors' entry and exit management, and other scenarios. It provides a upgrade to traditional card swiping systems across various industries. Decode capabilities: 1D codes: EAN8, EAN13, EAN13 2 addon, EAN13 5 addon, ISSN, ISBN, UPCA, UPCE, Code 39, Code 93, Code 128, Codabar, Industrial 2 of 5, Interleaved 2 of 5, Matrix 2 of 5, Standard 25, GS1 DataBarRSS14, GS1 DataBar Limited, GS1 DataBar Expanded, ISBT128, GS1128, code39FULLASCII, Plessey, plessey 2D codes: PDF417, Micro PDF417, QRcode, MicroQR, Datamatrix Scanning technology and reliability: Uses CMOS image scanning technology to read both paper codes and screen codes. Combined with a performance decoding chip, it effectively handles incomplete or fuzzy barcodes. Performance and feedback: A performance decoding chip enables reading both 1D and 2D codes, and can also scan mobile payment barcodes from apps such as WeChat and Alipay. After a successful scan, a crisp beep and a red light indicate the result. Applications and practicality: Elevator access control and building management Community or facility visitor management for entry and exit Pointofservice verification at offices, retail counters, or service desks Key attributes and operation: Functionality centers on fast, reliable barcode scanning with broad compatibility to diverse code standards, plus support for paper and screen codes and mobile payment barcodes, with audible and visual feedback on success.